DrJack's WINDIP Upper-Air Wind Forecast for BISHOP on WED 03/10 ALERT@ 00:+ruc 12:+ruc ------ WS,WD,U(kt) SITE=kbih METAR=kbih RidgePerp.=255 Run:03/10@16:33Z-16:33Z RUC : 00=03/10:15Z 03=03/10:18Z 06=03/10:21Z 09=03/11: 0Z 12=03/11: 3Z 300mb: + 92 326 30 +101 333 21 +104 342 5 +101 347 -3 + 98 347 -3 700mb: + 35 300 25 + 25 335 4 + 28 350 -3 + 29 353 -4 + 29 355 -5 ---------------------------------------------------------------------------- NAM : 00=03/10:12Z 12=03/11: 0Z 24=03/11:12Z 36=03/12: 0Z 48=03/12:12Z 300mb: 92 320 39 99 347 -3 71 334 13 34 305 22 32 255 32 700mb: 17 288 14 19 343 1 20 003 -6 6 330 2 15 225 13 GFS : 00=03/10:12Z 12=03/11: 0Z 24=03/11:12Z 36=03/12: 0Z 48=03/12:12Z 60=03/13: 0Z 72=03/13:12Z 300mb: 96 321 39 97 343 3 67 336 11 35 308 21 32 239 31 45 244 44 82 322 32 700mb: 13 276 12 22 339 2 19 359 -5 1 250 1 10 242 10 14 229 13 14 265 14 -------------------------------------------------------------------------------------------------------- GFS : 96=03/14: 0Z 120=03/15: 0Z 144=03/16: 0Z 168=03/17: 0Z 192=03/18: 0Z 216=03/19: 0Z 240=03/20: 0Z 300mb: 69 339 7 70 333 15 42 283 37 55 223 47 30 235 28 58 341 4 66 310 38 700mb: 10 356 -2 12 018 -6 3 163 -0 10 215 8 4 217 3 7 005 -2 16 302 11 ------ The criterion "mt. wave" windspeeds used for this site are: To have a mt. wave somewhere (indicated by "+" marks) (1) windspeed of 65 kt at 300 mb (approx. 31,000 ft) (2) windspeed of 25 kt at "ridgetop" level of 700 mb (approx. 10,500 ft) To have a mt. wave at designated ridge (indicated by "*" marks) (1) perpendicular wind of 46 kt at 300 mb (approx. 31,000 ft) (2) perpendicular wind of 18 kt at "ridgetop" level of 700 mb (approx. 10,500 ft) These criteria based on the those empirically developed for the Sierra wave by Doug Armstrong of the Reno NWS For a description of the forecast format and forecasts for other locations, see: http://www.drjack.info/WINDIP/ Please recognize that the utilized mt. wave criterion is simplistic while mt. wave behavior can be complex, so the simple yes/no program predictions cannot be expected to cover all mt. wave occurrences.